<?php
header("Content-Type:text/html; charset=utf-8");
date_default_timezone_set('PRC');
require_once('config.php');
$conn = mysql_connect($cfg_dbhost,$cfg_dbuser,$cfg_dbpwd);
mysql_select_db($cfg_dbname,$conn);

$calist="update ph_products set platform='Unknow' where platform='' or platform is null";
$caresult=mysql_query($calist);

?> 